when-adding-32-x-105-and-45-x-105-what-is-the-correct-process

Question

When adding 3.2 x $$10^{5}$$ and 4.5 x $$10^{5}$$, what is the correct process?

Accepted Answer

Add the coefficients and keep the exponent constant.

Answer

Multiply the coefficients and add the exponents.

Answer

Subtract the coefficients and keep the exponent constant.

Answer

Add the exponents and keep the coefficient constant.

When adding 3.2 x 105 and 4.5 x 105, what is the correct process?